It is shown that B-L non-conserving proton decay (p→e-π+π+ etc.) is allowed through gauge boson mixing in both SO(10) and E(6) GUTs, but not in the SU(5) GUT. The lifetime for this decay mode is estimated. © 1982.

U SARKAR

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University of Calcutta (informally known as Calcutta University or CU) is a collegiate public state university located in Kolkata, West Bengal, India.&nbsp;Within India it is recognized as a &quot;Five-Star University&quot; and accredited &quot;A&quot; Grade by National Assessment and Accreditation Council.

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The University of Calcutta has secured the Fifth position among the Universities of India in the prestigious &quot;Indian University Ranking 2019&quot; list, released by the NIRF of the Ministry of Human Resource Development, Government of India.

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It was established on 24 January 1857, and was one of the first institutions in Asia to be established as a multidisciplinary and Western-style university. Its alumni and faculty include several heads of state, heads of government, social reformers, prominent artists, only academy award winner and Dirac medal winner in India, many Fellows of the Royal Society and five Nobel laureates as of 2019 which is highest in South Asia.

University Of Calcutta

B−L non-conserving proton decay in guts

Physics Letters B

Physics Reports

Grand unified theories and proton decay

Nuclear Physics B

Operator analysis of new physics

Physical Review D

Varieties of baryon and lepton nonconservation

Physical Review Letters

Horizontal Interaction and Weak Mixing Angles

Are quarks composite?

B-L non-conserving proton decay in guts

Journal	Physics Letters B
Publisher	-
ISSN	0370-2693
Open Access	No